Omron RX - Page 164

4-59
4-2 Function Mode
4
Functions
Reverse Rotation Prevention Function
•This function is enabled when "03" (sensorless vector control), "04" (0-Hz sensorless vector
control), or "05" (sensor vector control) is selected in control method A044/A244.
•Because of the Inverter's control characteristics, the Inverter may output a rotation signal in the
direction opposite to that of the RUN command (e.g. in a low-speed range). If the motor's reverse
rotation may cause a problem (e.g. damage to the machine driven by the motor), set reverse
rotation prevention selection b046 to "enabled".
Torque LADSTOP Function
•If "03" (sensorless vector control), "04" (0-Hz sensorless vector control), or "05" (sensor vector
control) is selected in control method A004/A244, this function temporarily stops the frequency
deceleration function (LAD) when the torque limit function is activated.
Parameter No. Function name Data Default setting Unit
A044/A244
V/f characteristics
selection
03: Sensorless vector
04: 0-Hz sensorless vector
05: Sensor vector (A244 is blank.)
00 
b046
Reverse rotation
prevention selection
00: Disabled
01: Enabled
00 
Parameter No. Function name Data Default setting Unit
A044/A244
V/f characteristics
selection
03: Sensorless vector
04: 0-Hz sensorless vector
05: Sensor vector (A344 is blank.)
00 
b040 Torque limit selection
00: Four-quadrant separate setting
01: Terminal switch
02: Analog input
03: Option 1
04: Option 2
00 
b041 Torque limit 1
0. to 200. (0.4 to 55 kW)
0. to 180. (75 to 132 kW)
Forward power running
under four-quadrant separate setting
150. %
b042 Torque limit 2
0. to 200. (0.4 to 55 kW)
0. to 180. (75 to 132 kW)
Reverse regeneration
under four-quadrant separate setting
b043 Torque limit 3
0. to 200. (0.4 to 55 kW)
0. to 180. (75 to 132 kW)
Reverse power running
under four-quadrant separate setting
b044 Torque limit 4
0. to 200. (0.4 to 55 kW)
0. to 180. (75 to 132 kW)
Forward regeneration
under four-quadrant separate setting
b045
Torque LADSTOP
selection
00: Disabled
01: Enabled
00 
C001 to C008
Multi-function inputs
1 to 8 selection
40: Torque limit enabled
41: Torque limit switching 1
42: Torque limit switching 2
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